3-Pin Supply Voltage Supervisors
|Total Page||14 Pages|
|Features||Datasheet pdf www.ti.com TPS3809L30-EP, TPS3809K33-EP , TPS3809I50-EP 3-PIN SUPPLY VOLTAGE SU PERVISORS SGLS369A – AUGUST 2006 – REVISED NOVEMBER 2006 FEATURES • Co ntrolled Baseline – One Assembly Site – One Test Site – One Fabrication Site • Extended Temperature Performan ce of –55°C to 125°C • Enhanced D iminishing Manufacturing Sources (DMS) Support • Enhanced Product-Change Not ification • Qualification Pedigree (1 ) • 3-Pin SOT-23 Package • Supply C urrent of 9 µA (Typical) (1) Component qualification in accordance with JEDEC and industry standards to ensure relia ble operation over an extended temperat ure range. This includes, but is not li mited to, Highly Accelerated Stress Test (HAST) or biased 85/85, .|
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TPS3809L30-EP, TPS3809K33-EP, TPS3809I50-EP
3-PIN SUPPLY VOLTAGE SUPERVISORS
SGLS369A – AUGUST 2006 – REVISED NOVEMBER 2006
• Controlled Baseline
– One Assembly Site
– One Test Site
– One Fabrication Site
• Extended Temperature Performance of –55°C
• Enhanced Diminishing Manufacturing
Sources (DMS) Support
• Enhanced Product-Change Notification
• Qualification Pedigree (1)
• 3-Pin SOT-23 Package
• Supply Current of 9 µA (Typical)
(1) Component qualification in accordance with JEDEC and
industry standards to ensure reliable operation over an
extended temperature range. This includes, but is not limited
to, Highly Accelerated Stress Test (HAST) or biased 85/85,
temperature cycle, autoclave or unbiased HAST,
electromigration, bond intermetallic life, and mold compound
life. Such qualification testing should not be viewed as
justifying use of this component beyond specified
performance and environmental limits.
• Precision Supply Voltage Monitor
2.5 V, 3 V, 3.3 V, 5 V
• Power-On Reset Generator With Fixed Delay
Time of 200 ms
• Pin-for-Pin Compatible With MAX 809
The TPS3809 family of supervisory circuits provides circuit initialization and timing supervision, primarily for
DSPs and processor-based systems.
During power-on, RESET is asserted when the supply voltage VDD becomes higher than 1.1 V. Thereafter, the
supervisory circuit monitors VDD and keeps RESET active as long as VDD remains below the threshold voltage
VIT. An internal timer delays the return of the output to the inactive state (high) to ensure proper system reset.
The delay time, td(typ) = 200 ms, starts after VDD has risen above the VIT. When the supply voltage drops below
the VIT, the output becomes active (low) again. No external components are required. All the devices of this
family have a fixed-sense VIT set by an internal voltage divider.
The product spectrum is designed for supply voltages of 2.5 V, 3 V, 3.3 V, and 5 V. The circuits are available in
a 3-pin SOT-23 package. The TPS3809 devices are characterized for operation over a temperature range of
–55°C to 125°C.
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas
Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
Copyright © 2006, Texas Instruments Incorporated